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. 2020 Oct 16;9(10):1478. doi: 10.3390/foods9101478

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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UHPLC profiles of BC extracts issued from infusion Bodum^® extraction mode for ‘fine’ ground BC material monitored at 280, 320, and 360 nm. Typical UV spectra of the main compounds are given on the right. UV spectrum of Chlorogenic acid represents hydrocinnamic acid derivatives, UV spectrum of Quercetin 3- rutinoside (2) represents Quervetin 3-O-galactoside (3^a), Quercetin 3-O-glucoside (3^b), and Quercetin-3-6-malonyl-glucoside (4^a), UV spectrum of Kaempferol-3-O-hexoside (5) represents Kaempferol-3-O-rutinoside (4^b), Kaempferol-malonylglucoside (6), and Kaempferol-malonylglucoside isomer (7). See Table 4 for peak ID. Lot number: 55870. See Figure S4 for UHPLC profiles of other lots.